1350 E Arapaho Rd, STE 240 , Richardson Tx, 75081
+1 (214) 377-9997‬

Pioneer Diagnostic Lab Tests

All Lab Tests

Free T4 (Thyroxine)

Test Code:

PDL0239

Division:

Endocrinology

CPT Code:

84439

Sample Type:

Serum

Sample Requirements:

SST tube

Purpose:

Assesses free thyroxine to evaluate thyroid status.

High Levels:

Suggests hyperthyroidism.

Low Levels:

Suggests hypothyroidism.

Reference Range:

0.8–1.8 ng/dL

Emergency Call

Telephone

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Pioneer Diagnostic Lab Tests

Free T4 (Thyroxine)

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Division:

CPT Code:

Sample Type:

Sample Requirements:

Purpose:

High Levels:

Low Levels:

Reference Range:

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+1 (214) 377-9997‬

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Pioneer Diagnostic Lab Tests

Free T4 (Thyroxine)

Test Code:

Division:

CPT Code:

Sample Type:

Sample Requirements:

Purpose:

High Levels:

Low Levels:

Reference Range:

Emergency Call

+1 (214) 377-9997‬

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